[webkit-changes] [WebKit/WebKit] a7d81c: Make isStatelessLambda check compile-time

[Yusuke Suzuki]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: a7d81ce30e154b29c4626b508aca5433f4cfa170
      https://github.com/WebKit/WebKit/commit/a7d81ce30e154b29c4626b508aca5433f4cfa170
  Author: Yusuke Suzuki <ysuzuki at apple.com>
  Date:   2024-01-22 (Mon, 22 Jan 2024)

  Changed paths:
    M Source/JavaScriptCore/runtime/LazyPropertyInlines.h
    M Source/WTF/wtf/LazyRef.h
    M Source/WTF/wtf/LazyUniqueRef.h
    M Source/WTF/wtf/StdLibExtras.h

  Log Message:
  -----------
  Make isStatelessLambda check compile-time
https://bugs.webkit.org/show_bug.cgi?id=267847
rdar://121360002

Reviewed by Justin Michaud.

We can ensure that lambda is stateless at compile-time with constexpr isStatelessLambda function.
This patch makes it constexpr, and using static_assert instead of RELEASE_ASSERT in LazyXXX classes.

* Source/JavaScriptCore/runtime/LazyPropertyInlines.h:
(JSC::ElementType>::initLater):
* Source/WTF/wtf/LazyRef.h:
(WTF::LazyRef::initLater):
* Source/WTF/wtf/LazyUniqueRef.h:
(WTF::LazyUniqueRef::initLater):
* Source/WTF/wtf/StdLibExtras.h:
(WTF::isStatelessLambda):

Canonical link: https://commits.webkit.org/273307@main